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| author | Gabor Juhos <juhosg@openwrt.org> | 2008-12-02 08:46:37 +0000 |
|---|---|---|
| committer | Gabor Juhos <juhosg@openwrt.org> | 2008-12-02 08:46:37 +0000 |
| commit | 2d3a12991c14b28c2760119b4481dd09d072426b (patch) | |
| tree | 2a8622b75bd67ae1613edb2c9e3789e3c413f7d7 | |
| parent | 6d0181c4fb195a013b0e6480e1f48e8ead748320 (diff) | |
| download | mtk-20170518-2d3a12991c14b28c2760119b4481dd09d072426b.zip mtk-20170518-2d3a12991c14b28c2760119b4481dd09d072426b.tar.gz mtk-20170518-2d3a12991c14b28c2760119b4481dd09d072426b.tar.bz2 | |
ag71xx driver: add some debug stuff
SVN-Revision: 13462
| -rw-r--r-- | target/linux/ar71xx/files/drivers/net/ag71xx/ag71xx_main.c | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/target/linux/ar71xx/files/drivers/net/ag71xx/ag71xx_main.c b/target/linux/ar71xx/files/drivers/net/ag71xx/ag71xx_main.c index 81ebe8d..882b108 100644 --- a/target/linux/ar71xx/files/drivers/net/ag71xx/ag71xx_main.c +++ b/target/linux/ar71xx/files/drivers/net/ag71xx/ag71xx_main.c @@ -69,6 +69,18 @@ static void ag71xx_dump_regs(struct ag71xx *ag) ag71xx_rr(ag, AG71XX_REG_FIFO_CFG5)); } +static inline void ag71xx_dump_intr(struct ag71xx *ag, char *label, u32 intr) +{ + DBG("%s: %s intr=%08x %s%s%s%s%s%s\n", + ag->dev->name, label, intr, + (intr & AG71XX_INT_TX_PS) ? "TXPS " : "", + (intr & AG71XX_INT_TX_UR) ? "TXUR " : "", + (intr & AG71XX_INT_TX_BE) ? "TXBE " : "", + (intr & AG71XX_INT_RX_PR) ? "RXPR " : "", + (intr & AG71XX_INT_RX_OF) ? "RXOF " : "", + (intr & AG71XX_INT_RX_BE) ? "RXBE " : ""); +} + static void ag71xx_ring_free(struct ag71xx_ring *ring) { kfree(ring->buf); @@ -315,6 +327,14 @@ static void ag71xx_dma_reset(struct ag71xx *ag) ag71xx_wr(ag, AG71XX_REG_RX_STATUS, RX_STATUS_BE | RX_STATUS_OF); ag71xx_wr(ag, AG71XX_REG_TX_STATUS, TX_STATUS_BE | TX_STATUS_UR); + if (ag71xx_rr(ag, AG71XX_REG_RX_STATUS)) + printk(KERN_ALERT "%s: unable to clear DMA Rx status\n", + ag->dev->name); + + if (ag71xx_rr(ag, AG71XX_REG_TX_STATUS)) + printk(KERN_ALERT "%s: unable to clear DMA Tx status\n", + ag->dev->name); + ag71xx_dump_dma_regs(ag); } @@ -693,7 +713,9 @@ static irqreturn_t ag71xx_interrupt(int irq, void *dev_id) u32 status; status = ag71xx_rr(ag, AG71XX_REG_INT_STATUS); + ag71xx_dump_intr(ag, "raw", status); status &= ag71xx_rr(ag, AG71XX_REG_INT_ENABLE); + ag71xx_dump_intr(ag, "masked", status); if (unlikely(!status)) return IRQ_NONE; |